| 土-结构相互作用体系自振特性的计算 |
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| 引用本文： | 申爱国.土-结构相互作用体系自振特性的计算[J].西南交通大学学报,2000,35(1):7-10. |
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| 作者姓名： | 申爱国 |
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| 作者单位： | 西南交通大学土木工程学院,四川,成都,610031 |
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| 摘 要： | 通过将半无限弹性土体转化为附着在结构基础上的复刚度,建立起土结构体系的联合模型,并推导出该模型的扩展特征方程,通过求解特征方程,研究了地基对于结构自振特性的影响,得到了一些有益的结果。
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| 关 键 词： | 振动 振型 特征方程 土－结构相互作用 自振特性 |
Calculation of the Free Vibration Characteristics of Soil-Construction Interaction System |
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| SHEN Ai-guo.Calculation of the Free Vibration Characteristics of Soil-Construction Interaction System[J].Journal of Southwest Jiaotong University,2000,35(1):7-10. |
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| Authors: | SHEN Ai-guo |
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| Abstract: | A model for soil construction system is established by transforming the semi infinite elastic ground into a complex stiffness embodied in the boundary layer between soil and construction, and the extended characteristic equation of the proposed model is derived. Through solving the characteristic equation, the effects of foundation soil on the free vibration characteristics of construction are studied, and some useful results are obtained. |
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| Keywords: | vibration modes of vibration characteristic equation interaction modes soil construction |
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